package ro.cami.ums;
import java.util.ArrayList;
import java.util.List;
public class Catalog {
private static List<Portfolio> Portfolio;
	
	private Catalog(){
		
	}
	
	public Catalog getInstance(){
		if(Portfolio == null)
			Portfolio = new ArrayList<Portfolio>();
		
		return (Catalog) Catalog.Portfolio;
	}

}
